GraphQL Federation Subscriptions about graphql HOT 3 OPEN

Would you like to create PRs for this?

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I've been trying to contribute for the community the way to implement Apollo Subscriptions into Nestjs. I will tell you what is my conclusion after all the research and tries.

Conclusion: You cannot implement it in the free version. Link. However, it's viable with the enterprise version.

In nestjs we use Apollo Gateway and Apollo Subgraph. However, Apollo gateway are not design to support realtime requests: Link. The good news are that Apollo create Apollo Router that improve a lot of things including support for Subscriptions.

You have many differences between using Apollo Gateway and Apollo Router. The main one is that Apollo router is not a npm package instead of it, it is a binary package that you need to download and use it.

I could implement apollo router with all the configurations and I could modify the ApolloFederationDriver to support subscriptions. The problem is when you would like to enable the subscriptions in the router. Because it is an enterprise feature.

@kamilmysliwiec Do you think it is a good idea to implement it anyway?

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The documentation hasn't been fully updated yet but GraphQL Yoga supports Apollo Federation for free:

• dotansimha/graphql-yoga#3015
• Apollo Federation – GraphQL Yoga
• Comparison with other JavaScript GraphQL Server Libraries – GraphQL Yoga

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